AHMET YILMAZ
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78 lines
2.6 KiB
Markdown
78 lines
2.6 KiB
Markdown
# SME SaaS Suite Constitution
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## Core Principles
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### I. Modular-First
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Every feature is implemented as a standalone **module** (POS, Booking, CRM, etc.).
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* Modules must be self-contained, testable, and well-documented.
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* Modules can be enabled/disabled per tenant based on subscription.
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* No feature should hard-depend on another module except via well-defined contracts.
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### II. Multi-Tenant by Design
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Tenant data must always be isolated and protected.
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* All services enforce `tenant_id` checks at DB and API layers.
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* Multi-tenancy is implemented with row-level security in PostgreSQL.
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* No cross-tenant data leakage tolerated.
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### III. Test-First Development (Non-Negotiable)
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* TDD is mandatory: write failing test → implement feature → pass test → refactor.
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* Red-Green-Refactor cycle enforced.
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* Each module requires:
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* Unit tests (≥ 80% coverage)
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* Integration tests for inter-module APIs
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* End-to-end tests for user workflows
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### IV. Observability & Debuggability
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* Structured logging with `tenant_id`, `user_id`, `module` metadata required.
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* Metrics (latency, error rate, DB queries) collected per module.
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* Errors must include clear context (trace ID + tenant info).
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* Debug mode outputs JSON + human-readable logs.
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### V. Simplicity & Maintainability
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* Prefer minimal solutions (YAGNI principle: *You Aren’t Gonna Need It*).
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* UI/UX designed for low digital literacy users (SMEs).
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* No hidden complexity: every architectural decision must be justified in writing.
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---
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## Security & Compliance
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* All API calls require JWT auth with tenant scope.
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* Role-based access control: Owner, Manager, Staff.
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* Data encrypted at rest (Postgres, S3 storage) and in transit (HTTPS/TLS).
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* Payment integration (Stripe/Midtrans) must meet PCI-DSS compliance.
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* Regular security audits + penetration testing required before major releases.
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---
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## Development Workflow
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* **Branches:** `main` (stable), `dev` (integration), `feature/*` (modules).
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* **Reviews:** All PRs require at least 1 reviewer approval.
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* **CI/CD Gates:**
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* Unit + integration tests must pass.
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* Linting + type checks required.
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* Vulnerability scan required.
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* **Deployment:** Automated via Docker + Kubernetes. Canary releases before full rollout.
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* **Release Cycle:** Monthly minor releases, quarterly major releases.
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---
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## Governance
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* This Constitution supersedes all coding styles and practices.
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* Amendments require documentation + team approval.
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* No module may ship without compliance to principles.
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* Exceptions must be documented with expiration date.
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**Version**: 1.0.0 | **Ratified**: 2025-10-04 | **Last Amended**: 2025-10-04
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